Guys I am willing to buy s5 duos. But i need help. Let me know few things. I want to use sim1 for calls and msgs active all the time and sim2 for data network only active all the time. Is it possible? I was searching a detail review of s5 duos on youtube but i couldn't find a single video in english. Can you guys please update me.if my 2g 3g network is connected all the time via sim2 then can i receive calls and msgs over sim1 ? Waiting fir answer.

loved the phone touchwiz finally became better, great features and hardware ... only bad thing about this phone is the design it's really ugly apart from the screen , it cost me $630 :P for that price it should look a little better.

We might buy factory unlocked 4G/LTE smartphone from specific country, and it will continue to work with any different carrier. But we have to keep in mind that international devices are made based on regions. So a device that was bought from KSA will continue to work in dubai with 4G/LTE coverage because its mafe to work with middle east market. It will continue to work in eastern asia (for exampleexample) but with 3G coverage coverage only. Reason is as i said earlier, devices are manufactured to work in specific regions.

While buying a device from another company, make sure you check what bands does it work with, and compare it with the bands used in your country.

I have been using S5 duos from past six three months . Its realy good . Both the sims work fine .
But now some sound comes from the phone as if some part has got broked inside .. Idk wat has happened ???

Finity, 16 Jan 2015So far, the S5 duos seems to be ok except for one thing; it does not have a radio. I wonder why.Who the hell needs FM radio that wouldn't work without the wired headset?
Internet radio is the best!

I bought SM-G900FD from K.S.A.
I am also have 4G USIM card by Telkomsel(Indonesia), but when I in Jakarta (in 4G coverage area), I cannot see the 4G LTE option in Network mode.
Only 3 options
WCDMA/GSM (auto connect)
WCDMA only
GSM only
but No LTE option
Can anyone help on this

g, 12 Jan 2015using dual SIM cards is a mess. I used:
SIM1: Home SIM (GSM...)
SIM2: Visiting country SIM (... moreI think you are the one making the mess.
Learn to set the dual SIM functionality first.
My S5 Duos doesn't have any problem at all.
I can make calls and receive SMS on SIM 2 even SIM 1 is connected to internet.

DIGITAL KONG, 11 Jan 2015the galaxy s5 duos is good. everything about it is cool. i have been using it for a month now.... morejust flash lolipop from sammobile for russia region. that is latest lolipop for s5 and s5 duos for now

using dual SIM cards is a mess. I used:
SIM1: Home SIM (GSM...)
SIM2: Visiting country SIM (with internet WCDMA)

SIM2: Internet worked, wasn't able to place a call and outgoing SMS probably got lost
SIM1: Could not receive SMS, loads of errors when trying to send SMS

I don't know whether this is a mobile network issue, but I moved one of the sims on a different phone and I received a batch of SMSs that never got delivered. I believe the whole "duo" sim stack is messed up